diff --git a/src/lib/routes/admin-api/favorites.ts b/src/lib/routes/admin-api/favorites.ts
index 55ca0a2484..28cd93b88e 100644
--- a/src/lib/routes/admin-api/favorites.ts
+++ b/src/lib/routes/admin-api/favorites.ts
@@ -3,7 +3,7 @@ import Controller from '../controller';
 import { FavoritesService, OpenApiService } from '../../services';
 import { Logger } from '../../logger';
 import { IUnleashConfig, IUnleashServices, NONE } from '../../types';
-import { emptyResponse } from '../../openapi';
+import { emptyResponse, getStandardResponses } from '../../openapi';
 import { IAuthRequest } from '../unleash-types';
 
 export default class FavoritesController extends Controller {
@@ -34,7 +34,13 @@ export default class FavoritesController extends Controller {
                 openApiService.validPath({
                     tags: ['Features'],
                     operationId: 'addFavoriteFeature',
-                    responses: { 200: emptyResponse },
+                    summary: 'Add feature to favorites',
+                    description:
+                        'This endpoint marks the feature in the url as favorite',
+                    responses: {
+                        200: emptyResponse,
+                        ...getStandardResponses(401, 404),
+                    },
                 }),
             ],
         });
@@ -48,7 +54,13 @@ export default class FavoritesController extends Controller {
                 openApiService.validPath({
                     tags: ['Features'],
                     operationId: 'removeFavoriteFeature',
-                    responses: { 200: emptyResponse },
+                    summary: 'Remove feature from favorites',
+                    description:
+                        'This endpoint removes the feature in the url from favorites',
+                    responses: {
+                        200: emptyResponse,
+                        ...getStandardResponses(401, 404),
+                    },
                 }),
             ],
         });
@@ -61,8 +73,14 @@ export default class FavoritesController extends Controller {
             middleware: [
                 openApiService.validPath({
                     tags: ['Features'],
+                    summary: 'Add project to favorites',
+                    description:
+                        'This endpoint marks the project in the url as favorite',
                     operationId: 'addFavoriteProject',
-                    responses: { 200: emptyResponse },
+                    responses: {
+                        200: emptyResponse,
+                        ...getStandardResponses(401, 404),
+                    },
                 }),
             ],
         });
@@ -75,8 +93,14 @@ export default class FavoritesController extends Controller {
             middleware: [
                 openApiService.validPath({
                     tags: ['Features'],
+                    summary: 'Remove project from favorites',
+                    description:
+                        'This endpoint removes the project in the url from favorites',
                     operationId: 'removeFavoriteProject',
-                    responses: { 200: emptyResponse },
+                    responses: {
+                        200: emptyResponse,
+                        ...getStandardResponses(401, 404),
+                    },
                 }),
             ],
         });
diff --git a/src/test/e2e/api/admin/favorites.e2e.test.ts b/src/test/e2e/api/admin/favorites.e2e.test.ts
index 955b9ba903..0229849ee4 100644
--- a/src/test/e2e/api/admin/favorites.e2e.test.ts
+++ b/src/test/e2e/api/admin/favorites.e2e.test.ts
@@ -81,7 +81,13 @@ const getProjects = async () => {
 
 beforeAll(async () => {
     db = await dbInit('favorites_api_serial', getLogger);
-    app = await setupAppWithAuth(db.stores);
+    app = await setupAppWithAuth(db.stores, {
+        experimental: {
+            flags: {
+                strictSchemaValidation: true,
+            },
+        },
+    });
     stores = db.stores;
     accessService = app.services.accessService;